25758113 has 4 divisors (see below), whose sum is σ = 26047620. Its totient is φ = 25468608.

The previous prime is 25758097. The next prime is 25758121. The reversal of 25758113 is 31185752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 16589329 = 3028^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 25758113 - 2⁴ = 25758097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25758113.

It is not an unprimeable number, because it can be changed into a prime (25758163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144620 + ... + 144797.

It is an arithmetic number, because the mean of its divisors is an integer number (6511905).

Almost surely, 2^25758113 is an apocalyptic number.

It is an amenable number.

25758113 is a deficient number, since it is larger than the sum of its proper divisors (289507).

25758113 is an equidigital number, since it uses as much as digits as its factorization.

25758113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289506.

The product of its digits is 8400, while the sum is 32.

The square root of 25758113 is about 5075.2451172333. The cubic root of 25758113 is about 295.3280388024.

The spelling of 25758113 in words is "twenty-five million, seven hundred fifty-eight thousand, one hundred thirteen".